FR2415922B1 - - Google Patents
Info
- Publication number
- FR2415922B1 FR2415922B1 FR7902362A FR7902362A FR2415922B1 FR 2415922 B1 FR2415922 B1 FR 2415922B1 FR 7902362 A FR7902362 A FR 7902362A FR 7902362 A FR7902362 A FR 7902362A FR 2415922 B1 FR2415922 B1 FR 2415922B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
- H03J5/0281—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
- H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Superheterodyne Receivers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP913778A JPS54102814A (en) | 1978-01-30 | 1978-01-30 | Synthesizer receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2415922A1 FR2415922A1 (fr) | 1979-08-24 |
| FR2415922B1 true FR2415922B1 (US07321065-20080122-C00160.png) | 1984-03-09 |
Family
ID=11712232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7902362A Granted FR2415922A1 (fr) | 1978-01-30 | 1979-01-30 | Recepteur radio a bandes multiples |
Country Status (8)
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613834A (en) * | 1979-07-14 | 1981-02-10 | Nippon Gakki Seizo Kk | Synthesizer tuner |
| US4476580A (en) * | 1980-06-17 | 1984-10-09 | Sanyo Electric Co., Ltd. | Automatic continuous tuning control apparatus for a receiver |
| DE3137380A1 (de) * | 1981-09-19 | 1983-04-07 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Schaltungsanordnung zur elektronischen abstimmung eines empfangsgeraetes |
| US5052049A (en) * | 1987-10-20 | 1991-09-24 | Telefind Corporation | Paging receiver with continuously tunable antenna |
| US5012235A (en) * | 1987-10-20 | 1991-04-30 | Telefind Corporation | Paging receiver with continuously tunable antenna and RF amplifier |
| CA2049969A1 (en) * | 1989-03-28 | 1990-09-29 | Andrew A. Andros | Paging receiver with continuously tunable antenna and rf amplifier |
| US5701598A (en) * | 1990-09-14 | 1997-12-23 | Atkinson; Noel D. | Scanning receiver with direct digital frequency synthesis and digital signal processing |
| FI91819C (fi) * | 1991-11-05 | 1994-08-10 | Nokia Mobile Phones Ltd | Menetelmä kahden eri taajuusalueella toimivan digitaalisen radiopuhelimen taajuuksien muodostamiseksi |
| US5963852A (en) * | 1997-03-24 | 1999-10-05 | Ericsson Inc. | Dual band mobile station |
| US6163684A (en) * | 1997-08-01 | 2000-12-19 | Microtune, Inc. | Broadband frequency synthesizer |
| US6307439B2 (en) * | 1998-11-23 | 2001-10-23 | Garmin Corporation | Voltage controlled oscillator with adaptive closed loop coarse tune |
| US20190278560A1 (en) | 2004-10-27 | 2019-09-12 | Chestnut Hill Sound, Inc. | Media appliance with auxiliary source module docking and fail-safe alarm modes |
| US8090309B2 (en) | 2004-10-27 | 2012-01-03 | Chestnut Hill Sound, Inc. | Entertainment system with unified content selection |
| US7885622B2 (en) * | 2004-10-27 | 2011-02-08 | Chestnut Hill Sound Inc. | Entertainment system with bandless tuning |
| DE102006044710B3 (de) * | 2006-09-20 | 2008-06-05 | Faurecia Innenraum Systeme Gmbh | Verfahren zur Herstellung eines Bauteils, insbesondere eines Innenverkleidungsteils eines Fahrzeugs |
| US8041300B2 (en) * | 2008-09-26 | 2011-10-18 | Apple Inc | Adapter |
| US8478913B2 (en) | 2011-11-30 | 2013-07-02 | Apple Inc. | Adapter for electronic devices |
| US8762605B2 (en) | 2011-11-30 | 2014-06-24 | Apple Inc. | Adapter for electronic devices |
| CN114172511B (zh) * | 2021-12-13 | 2024-06-18 | 四川九洲电器集团有限责任公司 | 一种基于fpga的频率预置控制方法、装置、介质、电子设备 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3713040A (en) * | 1971-12-23 | 1973-01-23 | Hewlett Packard Co | Signal frequency controller |
| US3753142A (en) * | 1972-06-12 | 1973-08-14 | Logimetrics Inc | Signal generators employing digital phase locked loops and compensating circuits |
| JPS5627024B2 (US07321065-20080122-C00160.png) * | 1973-01-09 | 1981-06-22 | ||
| US3961261A (en) * | 1974-03-14 | 1976-06-01 | Tennelec, Inc. | Crystalless scanning radio receiver |
| US4110694A (en) * | 1975-10-10 | 1978-08-29 | Warren A. Sturm | Channel number interface |
| US4024476A (en) * | 1976-02-02 | 1977-05-17 | Rca Corporation | Programmable frequency divider for a television receiver frequency synthesizer |
| US4121162A (en) * | 1976-06-14 | 1978-10-17 | Motorola, Inc. | Digital phase locked loop tuning system |
| GB1590444A (en) * | 1976-10-27 | 1981-06-03 | Rca Corp | Phase locked loop tuning system with preset tuning |
-
1978
- 1978-01-30 JP JP913778A patent/JPS54102814A/ja active Granted
-
1979
- 1979-01-29 GB GB7903044A patent/GB2015279B/en not_active Expired
- 1979-01-29 US US06/007,571 patent/US4223406A/en not_active Expired - Lifetime
- 1979-01-30 AU AU43747/79A patent/AU524328B2/en not_active Expired
- 1979-01-30 CA CA320,463A patent/CA1122659A/en not_active Expired
- 1979-01-30 NL NL7900724A patent/NL7900724A/xx not_active Application Discontinuation
- 1979-01-30 FR FR7902362A patent/FR2415922A1/fr active Granted
- 1979-01-30 DE DE19792903486 patent/DE2903486A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2903486A1 (de) | 1979-08-02 |
| JPS624898B2 (US07321065-20080122-C00160.png) | 1987-02-02 |
| DE2903486C2 (US07321065-20080122-C00160.png) | 1988-05-19 |
| AU524328B2 (en) | 1982-09-09 |
| AU4374779A (en) | 1979-08-09 |
| FR2415922A1 (fr) | 1979-08-24 |
| JPS54102814A (en) | 1979-08-13 |
| CA1122659A (en) | 1982-04-27 |
| US4223406A (en) | 1980-09-16 |
| NL7900724A (nl) | 1979-08-01 |
| GB2015279B (en) | 1982-03-03 |
| GB2015279A (en) | 1979-09-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |